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Maths Puzzle
Numerical Ability
The local sandwich shop has 3 cash registers. In howmany possible ways can 4 customers lineup at the registers?
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book Other Question
x^2 + 2x - 15 = 0
Solve the Problem...
Five divided by the difference of a number and 7 equals the quotient of 10 and the sum of the number and 6. Find the number.